Account

Name
Dominik M.
Username
Sgt. Pepper
Joined
Dec. 9, 2015, 11:40 a.m.

Rank
15
Points
128,575
Trophies
Gold4
Silver7
Bronze9

Solved Challenges (168)

LevelNamePointsDate
ASAC — A Strong(er) ADFGVX Cipher — Part 11,101May 8, 2021, 4:25 p.m.
Wheatstone Cryptograph — Part 1125April 25, 2021, 12:55 p.m.
Find the right route — Part 3200Dec. 26, 2020, 7:53 p.m.
Find the right route — Part 2200Dec. 19, 2020, 8:13 p.m.
Find the right route — Part 1200Oct. 27, 2020, 5:54 p.m.
The SZ42 Challenge — Part 32,000Aug. 16, 2020, 7:10 p.m.
The SZ42 Challenge — Part 22,000Aug. 5, 2020, 11:18 p.m.
The SZ42 Challenge — Part 11,613July 27, 2020, 2:04 p.m.
Lightweight Introduction to Lattices — Part 32,000July 16, 2020, 1:39 p.m.
Lightweight Introduction to Lattices — Part 2200June 24, 2020, 9:55 a.m.
Lightweight Introduction to Lattices — Part 1200May 16, 2020, 4:52 p.m.
Polyhomophonic Substitution — Part 32,000April 7, 2020, 2:59 p.m.
The T52 Sturgeon Challenge — Part 21,175March 30, 2020, 11:52 p.m.
Polyhomophonic Substitution — Part 22,000March 29, 2020, 3:46 a.m.
The T52 Sturgeon Challenge — Part 41,176March 27, 2020, 3:39 p.m.
The T52 Sturgeon Challenge — Part 11,174March 27, 2020, 2:26 p.m.
Polyphonic Substitution Cipher — Part 21,256March 24, 2020, 6:22 p.m.
Polyphonic Substitution Cipher — Part 11,216March 24, 2020, 5:35 p.m.
Polyhomophonic Substitution — Part 1200March 22, 2020, 12:48 p.m.
The SIGABA Challenge — Part 21,406March 21, 2020, 7:54 p.m.
Typex — Part 21,091March 7, 2020, 6:56 p.m.
Typex — Part 11,091March 7, 2020, 10 a.m.
The SIGABA Challenge — Part 11,576March 6, 2020, 2:41 a.m.
The LoRa Cipher: Logic Randomness — Part 12,000Feb. 20, 2020, 4:28 a.m.
Differential Cryptanalysis — Part 22,000Jan. 29, 2020, 11:13 a.m.
Christmas Challenge 2019: Differential Cryptanalysis — Part 11,456Jan. 3, 2020, 6:30 p.m.
Homophonic Encryption — Part 21,433May 22, 2019, 3:21 p.m.
Handycipher made in love — Part 22,000May 22, 2019, 3:03 p.m.
Homophonic Encryption — Part 41,444May 21, 2019, 6:51 p.m.
Homophonic Encryption — Part 32,000May 9, 2019, 1:01 p.m.
Homophonic Encryption — Part 12,000May 5, 2019, 3:17 p.m.
New Year's Greetings — Part 51,115March 25, 2019, 1:53 p.m.
Handycipher made in love — Part 11,824Feb. 17, 2019, 4:28 p.m.
Monoalphabetic Substitution with Nostradamus Flavor2,000Feb. 16, 2019, 7:22 p.m.
Cryptanalysis Hacking Puzzles — Part 2200Jan. 9, 2019, 4:25 p.m.
RSA with Special d13,176Nov. 12, 2018, 1:03 a.m.
Lattice Part 11,089Oct. 30, 2018, 5:28 p.m.
Cryptanalysis Hacking Puzzles — Part 1200Oct. 27, 2018, 2:30 p.m.
Autokey Cipher150Sept. 27, 2018, 11:50 a.m.
Modular Sequences150Sept. 27, 2018, 11:43 a.m.
M-138 — Part 41,110July 17, 2018, 9:55 p.m.
Monoalphabetic substitution with camouflage — Part 21,093July 17, 2018, 7:54 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,094July 17, 2018, 6:28 p.m.
Monoalphabetic substitution with camouflage — Part 31,093July 16, 2018, 1:06 p.m.
Hilly — Part 11,142July 3, 2018, 2:17 a.m.
Flawed Usage of a OTP Cipher by the BND1,117June 21, 2018, 11 p.m.
Summer Job1,725June 14, 2018, 10:17 p.m.
Fastest in the West1,824June 14, 2018, 1:22 p.m.
Trendy Messenger1,824June 13, 2018, 2:33 p.m.
Number Sequence — Part 10150April 19, 2018, 10:11 p.m.
Pigpen with a twist — Part 21,093March 23, 2018, 8:18 p.m.
The Einstein Enigma1,824Feb. 9, 2018, 12:33 p.m.
AES ECB Wrong Encoding1,523Dec. 24, 2017, 5:46 p.m.
Advent Challenge — Part 32,000Dec. 22, 2017, 7:31 p.m.
Advent Challenge — Part 42,000Dec. 22, 2017, 1:43 a.m.
Advent-Challenge — Part 22,000Dec. 17, 2017, 6:30 a.m.
Advent-Challenge — Part 1133Dec. 11, 2017, 4:23 p.m.
Number Sequence — Part 9200Nov. 17, 2017, 12:20 p.m.
Keyshanc — Part 21,098Nov. 2, 2017, 11:07 p.m.
Keyshanc — Part 11,098Nov. 2, 2017, 7:49 p.m.
Double Column Transposition — Part 31,115May 16, 2017, 8:50 p.m.
Double Column Transposition — Part 21,115May 16, 2017, 12:16 a.m.
ORYX Stream Cipher Part I1,093May 7, 2017, 9:58 p.m.
BCR code (Book-Caesar-RSA)1,102May 6, 2017, 7:48 a.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,094April 12, 2017, 12:20 a.m.
Pigpen with a twist — Part 31,097April 11, 2017, 2:08 a.m.
Enigma Part 21,093April 4, 2017, 5:43 p.m.
Monoalphabetic substitution with camouflage — Part 4100April 4, 2017, 1:29 p.m.
Weakened Granit — Part 1100April 3, 2017, 6:17 p.m.
Turing Bombe Enigma I100April 3, 2017, 12:08 a.m.
The Book Code: A Challenge for Bookworms100April 2, 2017, 4:59 p.m.
Strange Message from Thessaloniki100April 1, 2017, 11:15 p.m.
News from Castle Mansfeld100April 1, 2017, 8:31 p.m.
Zodiac Cipher100April 1, 2017, 6:03 p.m.
Playfair with hints about the grid100April 1, 2017, 3:35 p.m.
Playfair Encryption100March 31, 2017, 10:04 p.m.
Cascading Encryption — Part 1/3100March 30, 2017, 10:46 p.m.
Multilingual Monoalphabetic Substitution100March 30, 2017, 8 p.m.
Heartbleed — Part 31,120March 30, 2017, 5:43 p.m.
A Secret Message from Castle Mansfeld100March 29, 2017, 4:05 p.m.
Music Code — Part 21,096March 29, 2017, 2:08 a.m.
Music Code — Part 1100March 29, 2017, 2:07 a.m.
Double Columnar Transposition100March 27, 2017, 2:01 p.m.
Enigma Part 11,093March 27, 2017, 2:05 a.m.
Heartbleed — Part 2100March 26, 2017, 11:07 p.m.
Heartbleed — Part 1 100March 26, 2017, 10:01 p.m.
Enigma Messages100March 25, 2017, 1:48 a.m.
Enigma Messages with Repeated Letters — Part 4100March 24, 2017, 10:04 p.m.
Enigma Messages with Repeated Letters — Part 5100March 24, 2017, 2:52 a.m.
Enigma Messages with Repeated Letters — Part 3100March 23, 2017, 2:12 a.m.
Enigma Messages with Repeated Letters — Part 2100March 22, 2017, 7:39 p.m.
Kaskade-S/T — Part 21,095March 21, 2017, 4:59 p.m.
Kaskade-S/T — Part 1100March 21, 2017, 12:39 a.m.
An 'unhearable' message100March 20, 2017, 2:42 p.m.
Number Sequence — Part 5100March 15, 2017, 12:43 p.m.
Monoalphabetic substitution with camouflage — Part 1100Feb. 28, 2017, 1:14 p.m.
Molehunt (Part 3/3)1,094Feb. 27, 2017, 11:37 p.m.
Molehunt (Part 2/3)100Feb. 27, 2017, 10:36 p.m.
Molehunt (Part 1/3)100Feb. 27, 2017, 9:56 p.m.
Number Sequence — Part 7100Feb. 27, 2017, 4:10 p.m.
Hill Cipher with Sudoku Key100Feb. 21, 2017, 12:55 a.m.
Nils away on travel100Oct. 13, 2016, 11:23 p.m.
Classical Ciphers^3100Oct. 13, 2016, 9:21 p.m.
The Last Note100Oct. 13, 2016, 6:46 p.m.
Unusual encryption using a diophantine equation1,100Oct. 5, 2016, 11:55 p.m.
Not-so-Secret Message from Malawi — Part II (ECC)1,095Oct. 5, 2016, 10:14 p.m.
ECDH-Key Exchange for Beginners100Oct. 2, 2016, 2:52 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,102Sept. 27, 2016, 8:25 p.m.
ADFGVX — Part 2100Aug. 14, 2016, 3:50 p.m.
ADFGVX — Part 1100Aug. 14, 2016, 2:58 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100May 4, 2016, 3:40 p.m.
Factorization Cipher — Part 31,104April 26, 2016, 10:14 p.m.
New Year's Greetings — Part 4150March 22, 2016, 7:14 p.m.
New Year's Greetings — Part 3150March 22, 2016, 7:10 p.m.
New Year's Greetings — Part 2150March 22, 2016, 7:01 p.m.
New Year's Greetings — Part 1150March 22, 2016, 6:45 p.m.
Enigma Messages with Repeated Letters — Part 1100March 20, 2016, 2:47 p.m.
Pigpen with a twist — Part 1100March 20, 2016, 2:34 p.m.
Letter from the Alleged Countess Julie von Ortenburg100March 19, 2016, 11:58 p.m.
Reserve Hand Procedure — Part 1100March 19, 2016, 6:28 p.m.
Modified Caesar Cipher100March 19, 2016, 1:21 a.m.
From Russia with Love100March 18, 2016, 7:48 p.m.
Snow White and the seven dwarfs100March 18, 2016, 6:52 p.m.
Number Sequence — Part 6100March 18, 2016, 5:47 p.m.
M-138 — Part 21,148March 16, 2016, 4:48 p.m.
M-138 — Part 1100March 15, 2016, 2:22 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,098March 9, 2016, 3:44 p.m.
Enigma Combinatorics100March 7, 2016, 3:39 p.m.
Unconcealed RSA messages1,104Feb. 25, 2016, 3:15 p.m.
CMEA 11,099Feb. 24, 2016, 3:44 p.m.
¿No Hablas Español? No problemo!100Jan. 21, 2016, 6:22 p.m.
Hybrid Encryption I1,099Jan. 21, 2016, 6:10 p.m.
Ku Klux Klan1,000Jan. 12, 2016, 9:24 p.m.
A really long number sequence1,104Jan. 5, 2016, 10:54 p.m.
A hidden word — Part 2100Jan. 5, 2016, 6:31 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Jan. 4, 2016, 4:07 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Jan. 4, 2016, 3:22 p.m.
A hidden word100Jan. 3, 2016, 10:27 p.m.
An Invisible Message100Dec. 31, 2015, 4:41 p.m.
Partial Key Exposure with RSA — Part 11,107Dec. 23, 2015, 2:26 p.m.
Smartcard RSA1,099Dec. 23, 2015, noon
RSA: Two different keys — same ciphertext1,104Dec. 22, 2015, 3:26 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,099Dec. 22, 2015, 1:28 p.m.
Broadcasting and low exponent — RSA Attack1,104Dec. 22, 2015, 11:56 a.m.
Alice's Birthday Party (Part 2)1,099Dec. 22, 2015, 2:54 a.m.
Alice's Birthday Party (Part 1)1,099Dec. 22, 2015, 1:13 a.m.
Recycled One-Time Pad100Dec. 21, 2015, 3:36 p.m.
Monoalphabetic Substitution100Dec. 21, 2015, 3:05 p.m.
How do you become a big cryptographer?100Dec. 21, 2015, 2:44 p.m.
Grille Cipher100Dec. 21, 2015, 7:20 a.m.
Cracking SHA1-Hashed Passwords1,102Dec. 20, 2015, 7:50 p.m.
Factorization Cipher — Part 21,106Dec. 20, 2015, 6:50 p.m.
Factorization Cipher — Part 1100Dec. 20, 2015, 4:48 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Dec. 20, 2015, 3:11 p.m.
Number Sequence — Part 4100Dec. 19, 2015, 8:42 p.m.
Letter to the Templars — Part 31,113Dec. 19, 2015, 3:15 p.m.
Letter to the Templars — Part 2100Dec. 19, 2015, 2:54 p.m.
Letter to the Templars — Part 1100Dec. 19, 2015, 2:19 p.m.
Beaver Code100Dec. 19, 2015, 1:04 p.m.
Original Caesar Cipher100Dec. 17, 2015, 5:09 p.m.
One-Time Pad with Flaws100Dec. 16, 2015, 11:09 a.m.
Trifid Cipher100Dec. 16, 2015, 10:04 a.m.
Number Sequence — Part 8101Dec. 15, 2015, 5:53 p.m.
Image Noise104Dec. 15, 2015, 5:42 p.m.
Number Sequence — Part 3100Dec. 9, 2015, 4:03 p.m.
Caesar Encryption100Dec. 9, 2015, 12:47 p.m.
Number Sequence — Part 2100Dec. 9, 2015, 12:46 p.m.
Number Sequence100Dec. 9, 2015, 12:44 p.m.

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